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The testis is composed of seminiferous tubules and interstitial tissue. The most important component of the interstitial tissue are the testosterone-producing Leydig cells. The seminiferous tubules contain the successive generations of germ cells, which can only exist in the presence of Sertoli cells. Sertoli cells mediate the effect of testosterone, which is indispensable for the maintenance of spermatogenesis. Consequently, the function of the Sertoli cells depends large- lyon the function of the Leydig cells, and a local control mechanism between the two cell systems has been assumed....

In pragmatics, it is widely accepted that the overall meaning of an utterance performed as part of a verbal interchange is underdetermined by the meaning of the sentence uttered. Speaker meaning has to be considered as a complex utterance level combining semantic knowledge and context-driven, pragmatic information as an integrated whole. The focus of this book is on the nature, function, and acquisition of pragmatic inferencing strategies.